Highfields Amateur Radio Club
Constructors Corner.
smoking soldering iron
copyright date

Alan / Midland Microphone Pin Outs.
For: 18, 28, 38, 48 (6 pin), 77, 78, 98, 120, 121, 220, 235, 255.

For 48 with 4 pin socket see Alan / Midland page 02

6 Pin locking ring Pin Signal
connector 1Mic Audio
2RX (connect to Pin 5 for RX)
3PTT (connect to Pin 5 for TX)
4Up / Down Common
Up: connect to Pin 3 via 22k resistor.
Down: connect to Pin 5.
5Common Ground
6+13.8v

Alan / Midland Index Page
Constructors Corner Index Page
Or Sitemap.